Home / 2,298.30-3,171.75-1,354.74

Finding the Fourth Proportional to 2,298.30, 3,171.75 and 1,354.74

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Solution

The fourth proportional to 2,298.30, 3,171.75 and 1,354.74 is: 1,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.30 : 3,171.75 = 1,354.74 : x
  2. Step 2: Convert to fraction form
    2,298.30/3,171.75 = 1,354.74/x
  3. Step 3: Cross multiply
    2,298.30x = 3,171.75 × 1,354.74
  4. Step 4: Simplify right side
    2,298.30x = 4,296,896.60
  5. Step 5: Solve for x
    x = 4,296,896.60/2,298.30
  6. Step 6: Final answer
    x = 1,869.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.